BUG=angleproject:1354

Change-Id: Ic1aaab56d2313a19fb0362f280dbfbf804fb3fcc
Reviewed-on: https://chromium-review.googlesource.com/399040
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>